ASTM A182 / A182M UNS S39274

ASTM A182 UNS S39274 is a forging material specification for 20% Nickel, 8% Chromium alloy steel and is used for manufacturing bare forgings or forged and machined products for applications involving high temperature service. Ferrobend offers forged flanges, fittings, valves bodies, fasteners, plates, bars, rings and similar pressure parts in ASTM A182 UNS S39274 specification.

ASTM A182 specification covers requirements such as chemical composition, mechanical properties, heat treatment and other supplementary requirements for 1 stainless steel forgings and forged products.

Chemical Composition

Identification Symbol UNS Number Alloy Elements Composition %
F54 S39274 25 chromium, 7 nickel,
modified with nitrogen
and tungsten 		Carbon 0.030 max
Manganese 1.00 max
Phosphorus 0.030 max
Sulfur 0.020 max
Silicon 0.80 max
Nickel 6.00 - 8.00
Chromium 24.00 - 26.00
Molybdenum 2.5 - 3.5
Copper 0.20 - 0.80
Nitrogen 0.24 - 0.32
Tungsten 1.50 - 2.50

Mechanical Properties

Property Value
Tensile Strength, min, ksi [MPa] 116 [800]
Yield Strength, min, ksi [MPa] 80 [550]
Elongation in 2 in. [50mm] or 4D, min, % 15
Reduction or Area, min, % 30
Brinell Hardness Number, HBW 310 max

Products